Headstock transmission structure of roll grinder

Abstract

The utility model discloses a roll grinder headstock transmission structure, and relates to the technical field of grinders, in particular to a roll grinder headstock transmission structure which comprises a box body and a clamp, an executing mechanism is arranged on the box body and used for driving a workpiece to rotate, and a fixing mechanism is arranged on the executing mechanism and used for fixing the clamp. The fixing mechanism comprises a fastening assembly, the fastening assembly comprises a mounting seat arranged on the executing mechanism, a cylinder seat is fixed in the mounting seat, a threaded rod is slidably mounted in the cylinder seat in a penetrating mode, and a circular plate is fixed to the threaded rod. In the prior art, due to the fact that a clamp needs to be aligned with a headstock main shaft on the same axis, flanges are generally adopted for fixing, different kinds of clamps are needed when different workpieces are machined, and therefore when the clamp is replaced, a plurality of bolts need to be disassembled and assembled, and the clamping efficiency is affected.

Description

Technical Field

[0001] The utility model relates to the technical field of grinders, in particular to a headstock transmission structure of a roller grinder. Background Art

[0002] A grinder is a machine tool that uses abrasive tools to grind the surface of a workpiece. Most grinders use high-speed rotating grinding wheels for grinding. With the development of technology and the increase in the requirements for the precision and hardness of mechanical parts, the performance and variety of grinders are constantly improving and growing;

[0003] After checking the public (announcement) number: CN219666227U, a grinding machine headstock is disclosed. This technology discloses "a grinding machine headstock, including a spindle, the spindle is rotatably mounted inside the headstock housing, and both ends of the spindle pass through the interior of the headstock housing; a locking assembly, the locking assembly is fixedly mounted on one end of the spindle, the locking assembly includes a tension sleeve, a clamp body and a front pull rod, and the clamp body is fixed on one end of the spindle" and other technical solutions, which have "realized the function of fast fixing and disassembly of the workpiece, effectively improved the efficiency of clamping, reduced manpower consumption, more accurate positioning of the workpiece, removed the manual alignment link, eliminated human instability, and ensured product quality" and other technical effects;

[0004] A clamp needs to be installed on the grinder headstock to support, center and clamp the workpiece. Since the clamp needs to be aligned on the same axis as the headstock spindle, it is usually fixed with a flange. Different types of clamps are required to process different workpieces. This requires disassembly and installation of multiple bolts when replacing the clamp, affecting the efficiency of clamping. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a headstock transmission structure for a roll grinder, which has the characteristics that the assembly and disassembly of the clamp only requires rotating the shaft rod, thereby improving the efficiency of the clamping and assembly, and the clamp is aligned on the same axis line with the main shaft after being installed and fixed.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: a roller grinder headstock transmission structure includes a box body and a fixture, an actuator is provided on the box body and is used to drive the workpiece to rotate, and a fixing mechanism is provided on the actuator and is used to fix the fixture, and the fixing mechanism includes:

[0007] The fastening assembly comprises a mounting seat arranged on the actuator, a cylinder seat is fixed inside the mounting seat, a threaded rod is slidably installed inside the cylinder seat, a circular plate is fixed on the threaded rod, three guide frames distributed in a circumference are fixed on the circular plate, a pin head is slidably installed on the guide frame through an internal waist-shaped hole, and the pin head is slidably installed on the mounting seat, a fixture is installed on the mounting seat and is used to fix the workpiece, and a circular hole matching the pin head is opened on the fixture;

[0008] The adjusting assembly comprises a shaft sleeve which is rotatably mounted on the cylinder seat, and the shaft sleeve is threadably mounted on the threaded rod.

[0009] Preferably, the adjustment assembly also includes a worm wheel fixed to the outer wall of the sleeve, a shaft rod is rotatably installed inside the mounting seat, a worm is fixed to the outer wall of the shaft rod and is used to drive the worm wheel to rotate, and adjustment holes are opened at both ends of the shaft rod.

[0010] Preferably, the fastening assembly further comprises a limit seat fixed to the outer wall of the mounting seat, three circumferentially distributed protrusions are fixed to the inner wall of the limit seat, and the clamp is provided with grooves matching the protrusions.

[0011] Preferably, the fastening assembly further comprises a keyway formed on the outer wall of the threaded rod and used for achieving sliding installation between the threaded rod and the cartridge seat.

[0012] Preferably, the actuator comprises:

[0013] The transmission assembly includes a main shaft installed inside the box body through a bearing, a flange seat is fixed to the front end of the main shaft, and the mounting seat is installed on the flange seat, a driven pulley is fixed to the front end outer wall of the main shaft, a transmission shaft is installed inside the box body through a bearing, a second transmission pulley is fixed to the front end of the transmission shaft, and a second belt is installed between the second transmission pulley and the driven pulley;

[0014] A drive assembly, including a motor, is mounted on top of the enclosure.

[0015] Preferably, the driving assembly further comprises a driving pulley fixed to the output end of the motor, a first transmission pulley fixed to the rear end of the transmission shaft, and a first belt is installed between the first transmission pulley and the driving pulley.

[0016] Beneficial Effects

[0017] The utility model provides a transmission structure for a headstock of a roll grinder. Compared with the prior art, it has the following beneficial effects:

[0018] (1) After the fixture is installed on the mounting seat, a tool can be used to insert the adjustment hole on the shaft rod and rotate it clockwise, so that the shaft rod drives the sleeve to rotate through the worm gear and the worm wheel, and the sleeve drives the threaded rod to extend outward from the inside of the cylinder seat. The threaded rod drives the pin head to extend outward from the inside of the mounting seat through the circular plate and the guide frame, so that the pin head is inserted into the circular hole on the fixture, thereby centering the fixture on the fixing mechanism, so that the fixture is aligned with the main shaft on the same axis after installation and fixation.

[0019] (2) When removing the clamp, insert the tool into the adjustment hole on the shaft and turn it counterclockwise, so that the clamp can be disassembled and assembled only by turning the shaft, which improves the efficiency of clamping and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the structure of the transmission components inside the box in the utility model;

[0022] Figure 3 It is a structural schematic diagram of the fixing mechanism and the clamp in the utility model;

[0023] Figure 4 It is a schematic diagram of the internal structure of the fixing mechanism in the utility model;

[0024] Figure 5 It is a schematic diagram of the cross-sectional structure of the cylinder seat in the utility model.

[0025] In the figure: 1. housing; 2. actuator; 21. transmission assembly; 211. spindle; 212. flange seat; 213. driven pulley; 214. transmission shaft; 215. second transmission pulley; 216. second belt; 22. driving assembly; 221. motor; 222. driving pulley; 223. first transmission pulley; 224. first belt; 3. fixing mechanism; 31. fastening assembly; 311. mounting seat; 312. cylinder seat; 313. threaded rod; 314. round plate; 315. guide frame; 316. pin head; 317. limit seat; 318. bump; 319. keyway; 32. adjustment assembly; 321. bushing; 322. worm gear; 323. shaft rod; 324. worm; 4. fixture; 5. round hole; 6. groove. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-4 The utility model provides a technical solution for the headstock transmission structure of a roll grinder: the headstock transmission structure of the roll grinder comprises a box body 1 and a fixture 4, the box body 1 is provided with an actuator 2 and is used to drive the workpiece to rotate, the actuator 2 is provided with a fixing mechanism 3 and is used to fix the fixture 4, and the fixing mechanism 3 comprises:

[0028] The fastening assembly 31 comprises a mounting seat 311 arranged on the actuator 2, a cartridge seat 312 is fixed inside the mounting seat 311, a threaded rod 313 is slidably installed inside the cartridge seat 312, a circular plate 314 is fixed on the threaded rod 313, three guide frames 315 distributed in a circle are fixed on the circular plate 314, a pin head 316 is slidably installed on the guide frame 315 through an internal waist-shaped hole, and the pin head 316 is slidably installed on the mounting seat 311, a fixture 4 is installed on the mounting seat 311 and is used to fix the workpiece, a circular hole 5 adapted to the pin head 316 is provided on the fixture 4, and a keyway 319 is provided on the outer wall of the threaded rod 313 and is used to realize the sliding installation of the threaded rod 313 and the cartridge seat 312;

[0029] The adjusting assembly 32 includes a sleeve 321 rotatably mounted on the cylinder seat 312, and the sleeve 321 is threadedly mounted on the threaded rod 313, a worm gear 322 is fixed to the outer wall of the sleeve 321, and a shaft rod 323 is rotatably mounted inside the mounting seat 311, a worm 324 is fixed to the outer wall of the shaft rod 323 and is used to drive the worm gear 322 to rotate, and adjustment holes are provided at both ends of the shaft rod 323.

[0030] In this embodiment, after the clamp 4 is installed on the mounting seat 311, a tool can be used to insert the adjustment hole on the shaft rod 323 and rotate it clockwise, so that the shaft rod 323 drives the sleeve 321 to rotate through the worm 324 and the worm wheel 322, and the sleeve 321 drives the threaded rod 313 to extend outward from the inside of the cylinder seat 312. The threaded rod 313 drives the pin head 316 to extend outward from the inside of the mounting seat 311 through the circular plate 314 and the guide frame 315, so that the pin head 316 is inserted into the circular hole 5 on the clamp 4, thereby centering and fixing the clamp 4 on the fixing mechanism 3.

[0031] Specifically, the fastening assembly 31 further includes a limiting seat 317 fixed to the outer wall of the mounting seat 311 , and three circumferentially distributed protrusions 318 are fixed to the inner wall of the limiting seat 317 , and the clamp 4 is provided with grooves 6 matched with the protrusions 318 .

[0032] In this embodiment, when the clamp 4 is installed on the mounting seat 311, the end of the clamp 4 is inserted into the limit seat 317, and the protrusion 318 on the limit seat 317 is embedded in the groove 6 on the clamp 4, so that the circular hole 5 on the clamp 4 can be aligned with the pin head 316.

[0033] Specifically, the actuator 2 includes:

[0034] The transmission assembly 21 includes a main shaft 211 mounted inside the housing 1 through a bearing, a flange seat 212 is fixed to the front end of the main shaft 211, and the mounting seat 311 is mounted on the flange seat 212, a driven pulley 213 is fixed to the front end outer wall of the main shaft 211, a transmission shaft 214 is mounted inside the housing 1 through a bearing, a second transmission pulley 215 is fixed to the front end of the transmission shaft 214, and a second belt 216 is installed between the second transmission pulley 215 and the driven pulley 213;

[0035] The driving assembly 22 includes a motor 221 installed on the top of the box 1, a driving pulley 222 fixed to the output end of the motor 221, a first transmission pulley 223 fixed to the rear end of the transmission shaft 214, and a first belt 224 installed between the first transmission pulley 223 and the driving pulley 222.

[0036] In this embodiment, the output end of the motor 221 drives the active pulley 222 to cooperate with the first belt 224 to drive the first transmission pulley 223 to rotate, the first transmission pulley 223 drives the second transmission pulley 215 to rotate through the transmission shaft 214, the second transmission pulley 215 drives the main shaft 211 to rotate through the second belt 216 and the driven pulley 213, and the main shaft 211 drives the clamp 4 installed on the fixing mechanism 3 to rotate through the flange seat 212.

[0037] The working principle and use process of the utility model are as follows: first, when installing the clamp 4, the clamp 4 is sleeved and installed on the mounting seat 311, the end of the clamp 4 is inserted into the limit seat 317, and the protrusion 318 on the limit seat 317 is embedded in the groove 6 on the clamp 4, so that the circular hole 5 on the clamp 4 can be aligned with the pin head 316; then, by using a tool to insert the adjustment hole on the shaft rod 323 and rotate it clockwise, the shaft rod 323 drives the sleeve 321 to rotate through the worm 324 and the worm gear 322, the sleeve 321 drives the threaded rod 313 to extend outward from the inside of the cylinder seat 312, the threaded rod 313 drives the pin head 316 to extend outward from the inside of the mounting seat 311 through the circular plate 314 and the guide frame 315, so that the pin head 316 is inserted into the circular hole 5 on the clamp 4, thereby centering and fixing the clamp 4 on the fixing mechanism 3; when disassembling the clamp 4, the same is true, the tool is inserted into the adjustment hole on the shaft rod 323 and rotated counterclockwise.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A roller grinding machine headstock transmission structure, comprising a housing (1) and a fixture (4), characterized in that: The box body (1) is provided with an actuator (2) for driving the workpiece to rotate, and the actuator (2) is provided with a fixing mechanism (3) for fixing the fixture (4), and the fixing mechanism (3) comprises: The fastening assembly (31) comprises a mounting seat (311) arranged on the actuator (2), a cylinder seat (312) being fixed inside the mounting seat (311), a threaded rod (313) being slidably installed inside the cylinder seat (312), a circular plate (314) being fixed on the threaded rod (313), three guide frames (315) distributed in a circumference being fixed on the circular plate (314), a pin head (316) being slidably installed on the guide frame (315) through an internal waist-shaped hole, and the pin head (316) being slidably installed on the mounting seat (311), a fixture (4) being installed on the mounting seat (311) and being used for fixing a workpiece, and a circular hole (5) matching the pin head (316) being opened on the fixture (4); The adjustment assembly (32) comprises a shaft sleeve (321) rotatably mounted on the cylinder seat (312), and the shaft sleeve (321) is threadedly mounted on the threaded rod (313).

2. The roller grinder headstock transmission structure according to claim 1, characterized in that: The adjustment assembly (32) further comprises a worm wheel (322) fixed to the outer wall of the shaft sleeve (321); a shaft rod (323) is rotatably installed inside the mounting seat (311); a worm (324) is fixed to the outer wall of the shaft rod (323) and is used to drive the worm wheel (322) to rotate; and adjustment holes are provided at both ends of the shaft rod (323).

3. The roller grinder headstock transmission structure according to claim 1, characterized in that: The fastening assembly (31) also includes a limit seat (317) fixed to the outer wall of the mounting seat (311), three circumferentially distributed protrusions (318) are fixed to the inner wall of the limit seat (317), and grooves (6) matching the protrusions (318) are formed on the clamp (4).

4. The roller grinder headstock transmission structure according to claim 1, characterized in that: The fastening assembly (31) further comprises a keyway (319) formed on the outer wall of the threaded rod (313) and used for realizing the sliding installation of the threaded rod (313) and the cartridge seat (312).

5. The roller grinder headstock transmission structure according to claim 1, characterized in that: The actuator (2) comprises: The transmission assembly (21) comprises a main shaft (211) mounted inside a housing (1) via a bearing, a flange seat (212) being fixed at the front end of the main shaft (211), and a mounting seat (311) being mounted on the flange seat (212), a driven pulley (213) being fixed to the front end outer wall of the main shaft (211), a transmission shaft (214) being mounted inside the housing (1) via a bearing, a second transmission pulley (215) being fixed at the front end of the transmission shaft (214), and a second belt (216) being mounted between the second transmission pulley (215) and the driven pulley (213); The driving assembly (22) comprises a motor (221) mounted on the top of the box body (1).

6. The roller grinder headstock transmission structure according to claim 5, characterized in that: The driving assembly (22) further comprises a driving pulley (222) fixed at the output end of the motor (221), a first transmission pulley (223) fixed at the rear end of the transmission shaft (214), and a first belt (224) installed between the first transmission pulley (223) and the driving pulley (222).

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